Precursors of placental estrogens.
D055598:Chemical Phenomena; D002621:Chemistry; D004967:Estrogens / Q000096:biosynthesis*; D005260:Female; D005333:Fetus / Q000378:metabolism*; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy
D004967:Estrogens